/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * 
 */

package org.apache.jmeter.save.converters;

import org.apache.jmeter.testelement.property.LongProperty;

import com.thoughtworks.xstream.converters.Converter;
import com.thoughtworks.xstream.converters.MarshallingContext;
import com.thoughtworks.xstream.converters.UnmarshallingContext;
import com.thoughtworks.xstream.io.HierarchicalStreamReader;
import com.thoughtworks.xstream.io.HierarchicalStreamWriter;

/**
 * @author mstover
 * 
 */
public class LongPropertyConverter implements Converter {

	private static final String ATT_NAME = "name"; // $NON-NLS-1$

    /**
	 * Returns the converter version; used to check for possible
	 * incompatibilities
	 */
	public static String getVersion() {
		return "$Revision: 493779 $"; // $NON-NLS-1$
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see com.thoughtworks.xstream.converters.Converter#canConvert(java.lang.Class)
	 */
	public boolean canConvert(Class arg0) {
		return arg0.equals(LongProperty.class);
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see com.thoughtworks.xstream.converters.Converter#marshal(java.lang.Object,
	 *      com.thoughtworks.xstream.io.HierarchicalStreamWriter,
	 *      com.thoughtworks.xstream.converters.MarshallingContext)
	 */
	public void marshal(Object obj, HierarchicalStreamWriter writer, MarshallingContext arg2) {
		LongProperty prop = (LongProperty) obj;
		writer.addAttribute(ATT_NAME, ConversionHelp.encode(prop.getName()));
		writer.setValue(prop.getStringValue());
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see com.thoughtworks.xstream.converters.Converter#unmarshal(com.thoughtworks.xstream.io.HierarchicalStreamReader,
	 *      com.thoughtworks.xstream.converters.UnmarshallingContext)
	 */
	public Object unmarshal(HierarchicalStreamReader reader, UnmarshallingContext arg1) {
		LongProperty prop = new LongProperty(ConversionHelp.decode(reader.getAttribute(ATT_NAME)), Long.parseLong(reader
				.getValue()));
		return prop;
	}
}
